# N51900: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: October 27, 2014
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51900
- Page: https://openairdocs.org/aircraft/N51900

## Aircraft that carried N51900

- [Cancelled 2014-10-27](https://openairdocs.org/deregistered/N51900-2014-10-27): Sikorsky CH37B, S/N 57-1646. Registration expired, pending cancellation. Owner: [Aircrane Inc](https://openairdocs.org/faa-owner/AIRCRANE%20INC), [West Chester, PA](https://openairdocs.org/faa-place/PA/West%20Chester)
- [Cancelled 1948-12-03](https://openairdocs.org/deregistered/N51900-1948-12-03): Boeing A75N1, S/N 75-432, built 1945. Owner: [Brown Harold W](https://openairdocs.org/faa-owner/BROWN%20HAROLD%20W), [Pittsburgh, PA](https://openairdocs.org/faa-place/PA/Pittsburgh)

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